Are the washers inside the Yokogawa transmitter made of copper?
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It’s the green one; how did the copper turn green?
The color of copper rust is green; it’s probably due to oxidation by oxides. What is a medium?
It doesn’t seem like copper; usually, copper is used for larger ranges
It shouldn’t be copper. Feels like a soft seal made of rubber, PTFE, or something similar
Rust is green, different from iron. Generally, copper is used less here; one option is rubber and the other is graphite metal wound gaskets
It’s probably not copper; the toughness and stiffness of the material seem to be similar to those of stainless steel.
It’s not copper; this is the type of surface we use for ammonia synthesis